汽车塑料件、橡胶件和热塑性弹性体件的材料标识与标记Material identification and marking of automotiveplastic, rubber and thermoplastic elastomerparts1 范围本标准规定了汽车塑料件、橡胶件和热塑性弹性体件的材料标识与标记要求。
本标准适用于整车中质量大于（包括）100 g 的汽车塑料件、质量大于（包括）200 g的橡胶件和热塑性弹性体件。
1 ScopeThis standard defines material identification and marking requirements of automotive plastic, rubber and thermoplastic elastomer parts.This standard applies to the plastic parts of more than or equal to 100g and the rubber parts as well as the thermoplastic elastomer parts of more than or equal to 200g used on whole vehicles.2 规范性引用文件 2 Normative references下列文件中的条款通过本标准的引用而成为本标准的条款。
凡是注日期的引用文件，其随后所有的修改单（不包括勘误的内容）或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。
凡是不注日期的引用文件，其最新版本适用于本标准。
The following documents contain provisions which，through reference in this text，constitute provisions of this national standard.For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However,parties to agreements based on this national standard are encouraged to investigate the possibility of applying the most recent editions of the documents indicated below. For undated references, the latest edition of the document referred to applies.GB/T 1844.1-1844.3 塑料及树脂缩写代号第1部分：基础聚合物及其特征性能，第2部分：填充及增强材料和第3部分：增塑剂GB/T 1844.1-1844.3 Symbols of plastics and resins—Part 1: Basic polymers and their special characteristics, Part 2: Fillers and reinforcing materials and Part 3: Plasticizers.ISO 1043.1-1043.4 塑料及树脂缩写代号第1部分：基础聚合物及其特征性能，第2部分：填充及增强材料，第3部分：增塑剂和第4部分：阻燃剂ISO 1043.1-1043.4Symbols of plastics and resins—Part 1: Basic polymers and their special characteristics, Part 2: Fillers and reinforcing materials, Part 3: Plasticizers and Part 4: Flame retardantsGB/T 2035 塑料术语及其定义GB/T 2035 Terms and definitions forplasticsISO 472 塑料术语及其定义ISO 472 Terms and definitions for plastics GB/T 5576 橡胶与胶乳命名法GB/T 5576 Rubbers and latticesNomenclatureISO 1629 橡胶与胶乳命名法ISO 1629 Rubbers and latticesNomenclatureGB 5577 合成橡胶牌号规定GB5577 Codification of types forsynthetic rubbers.ISO 18064 热塑性弹性体符号与缩略语ISO 18064 Thermoplastic elastomers—Nomenclature and abbreviated terms.3 术语及定义GB/T 2035、GB/T 5576、GB 5577、ISO 18064中确立的术语和定义适用于本标准。
3 Terms and definitionsThe terms and definitions given in GB/T 2035、GB/T 5576、GB 5577、ISO 18064 are applicable to this standard.4 符号和缩略语 4 Symbols and abbreviated termsGB/T 1844.1、GB/T 1844.2、GB/T 1844.3、GB/T 5576、GB5577、ISO 1043-4和ISO18064中定义的符号和缩略语均适用于本标准。
如果存在任何恰当的符号或缩略语没有包含在本标准中，而且这些符号或缩略语来自某国际标准或者国家标准，本公司允许使用这些符号或缩略语，并以更改或修订的方式将它们纳入本标准。
Symbols and abbreviated terms defined in GB/T1844.1、GB/T1844.2、GB/T 1844.3、GB/T5576、GB5577、ISO 1043-4 and ISO18064 are all applicable to this standard. Any appropriate symbols and abbreviated terms, which are not included in this standard but derive from some international standard or natural standard, are approved by this standard after amending or revising.5 标识符的要求 5 Technical requirements of identificationmarks5.1 标记系统 5.1 Material identification marking system5.1.1 标识格式塑料件、橡胶件和热塑性弹性体件的材料应采用恰当的符号或缩略语进行标识。
符号或缩略语应置于“＞”和“＜”之间。
5.1.1 Marking formatPlastic, rubber and thermoplastic elastomer parts should be marked with appropriate symbols and abbreviated terms. The mark shall be enclosed by arrow5.1.2 单一组分制品标识由单一聚合物或共聚物制成的制品，应按照5.1.1的规定标注。
1)示例1：对于聚丙烯，应标注为：＞PP＜。
2)示例2：对于丙烯腈－丁二烯－苯乙烯（ABS）共聚物，应标注为：＞ABS＜。
3)示例3：对于尼龙6（PA6）和尼龙12（PA12）共聚物，应标注为：＞PA6/12＜。
5.1.2 For single component materialsMaterials made of single polymer or single copolymer shall be marked in accordance with 5.1.1.1）Example 1:For polypropylene (PP), it shall be marked as:＞PP＜.2）Example 2:For acrylonitrile/butadiene/styrene copolymer(ABS), it shall be marked as:＞ABS＜3）Example 3:For polyamide 6 and polyamide 12 copolymer (PA6/12), it shall be marked as:＞PA6/12＜5.1.3 共混聚合物或合金制品标识由共混聚合物或合金制成的制品，应采用适当的聚合物成分的缩略语进行标识，主要成分标注在前面，其他成分按照其质量分数的降序排列，中间用加号分开，并按照5.1.1的规定标注。
示例：在聚碳酸酯（PC）和丙烯腈－丁二烯－苯5.1.3 For blends and alloy materialsThe blends and alloy materials shall be marked with appropriate abbreviated terms of polymer components, with the main component in first place followed by the other component in descending order according to their mass fractions, separated by a plus sign (+).乙烯（ABS）共聚物组成的塑料合金中，聚碳酸酯（PC）是主要成分，丙烯腈－丁二烯－苯乙烯（ABS）分散于聚碳酸酯中，应标注为：＞PC＋ABS＜Example:For the plastic alloy of polycarbonate (PC) and acrylonitrile/butadiene/styrene copolymer (ABS), PC is the major component, ABS disperses in the matrix of PC, it shall be marked as:＞PC＋ABS＜5.1.4 带有特定添加剂的制品标识 5.1.4 For products with certain additives 5.1.4.1 填充与增强材料 5.1.4.1 Fillers and reinforcing materials5.1.4.1.1 含有单一填充或增强材料的制品，应先标注该聚合物的缩略语，接着标注连字符，再标注添加剂的符号或缩略语，并标明其质量百分数，格式应符合5.1.1的规定。